ass number 

a random number - one that's pulled right out of the ass

No, I didn't calculate the sale price - it's an ass number

ass number by Carl Barringer June 19, 2007

ass-pulled number (APN) 

An price, quantity or amount that an individual uses or includes in a report or price quote, with little or no thought involved beforehand. Derived from the older proverb, "pulling a <something> out of your ass". More commonly used as an abbreviation.

Engineer #1: "Hey, we need a price quickly on the gazebo to finish the estimate, give me an ass-pulled number (APN)! "
Engineer #2: "Yeah, use $20,000..."

ass-pulled number (APN) by theventman August 12, 2021

Kicking ass and taking numbers 

When you are so good at something, people are lining up to challenge you and you have to give them a number and they have to wait their turn.

He had an awesome game of basketball today. He was kicking ass and taking numbers.

Kicking ass and taking numbers by John Boy2012 September 1, 2012

asscumber 

mildly derogatory term, the 'ass' part of the word can be pronounced in an American drawl for effect...

I said take the next left, you asscumber!

asscumber by Hannah Morriwoman March 29, 2011

assnumbers 

Numbers made up for a particular example that have no meaning beyond being placeholders for the given example. That is, numbers which have been pulled "out of your ass".

"This example shows how the cache lines are organized, but all these addresses are assnumbers."

assnumbers by Mr Punch December 18, 2008